It’s entirely up to you whether or not you meet the pastor with your folks. It’s your life, you’re an adult, so it’s your decision. Yes, you’re folks might be upset. That’s their problem and they can meet with her (without you) if they wish.
With awareness of that you might meet privately with the pastor before to provide her with specific feedback about how she overstepped with you and your wife, and how unhelpful and disturbing her comments were. And, if she wishes you to attend a meeting including your parents she needs to be much more considerate and diplomatic. Otherwise you won’t attend.
Obviously all this is up to you. I understand a reluctance to violating your parents wishes but if the meeting is simply a repeat of the last one if’s a waste of time and worse, your emotional health,